package com.cwd.service;

import com.cwd.pojo.Member;

import java.util.List;

/**
 * @PackageName: com.cwd.service
 * @ClassName: MemberService
 * @Author: CWD
 * @Date: 2020/3/11 23:02
 * @Description:
 */
public interface MemberService {
    //根据手机号判断是否时会员
    Member findByTelephone(String telephone);
    //添加会员
    void add(Member member);
    //根据月份查询会员数量
    List<Integer> findMemberCountByMonths(List<String> months);
}
